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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Link to relevant study record(s)

Description of key information

Based on a GLP study.

Key value for chemical safety assessment

EC50 for microorganisms:
279 mg/L
EC10 or NOEC for microorganisms:
144 mg/L

Additional information

The effective concentration of sodium hydroxymethylglycinate that caused a 50% reduction in respiration rate (EC50) was 279 mg/L (95% CL: 254 to 305 mg/L). The EC20 was 166 mg/L (95% CL: 144 to 186 mg/L), the lower limit of 144 mg/L was used as the key value for the EC10.